第一章 推理与证明 习题课-【创新方案·高中同步创新课堂】2020-2021学年高中数学选修2-2（北师大版）

%$&*%#&wyz(%#&$##! £Wuqr÷89��$ $}#$"~((%"&$"#$"AB�Ù! %QR}#$@%@"!% &~(EF�Ù(S(%@&$@#( 7}#$@%"~( (%@%"&$(%@&%(%"&%#,@:"2@#%"-#@$%@%"&#( S}#$@%"~EFÿ�Ù( *$%w�(Ä%&#"!% !�(%#&$## �Ù! /01%2&!34#,5 DE;1" !<=!NO$%"&C_9`;9Æbn "##&"& " ## ( v#b=n". " # % " $ & " % %!% " ##&"& " ## 'o;9/,_{ 9@%bn " #%" (U�#b(|n "#%"% " #%#% !% " #%#! %#&�HAI9¾&°E^}°9~Î<Vn"<$(| /" /# $ " #3 ! PQ$%"&". " # % " $ & " % %)% " ##&"& " ## $ " #%"% " #%#% )% " ## %#& " #3 !F@GH" "!NO$4n(%"&$"((%#&$32"-(((%$&$"+2"-(-"#(�x (%%&$"-(-"#-"/2$3(� x (%#&$"-(-"#-"/- ! - (%#&"&$$##&$#%"! PQ$$3!$##&$#%" #!vy-6#.z{Hvy(C8 Z%7|8 }4[(~ C8 $C#%8(#" !% (8*#&(Y C8%#$" DE;12 !<=!kl$C"$IJC 4n"$1(6$1("%6$"( �x"2"%6%#槡"6(槡"6+ " # ("6+ " % (�x " "6%% ( s " " % " 6 $ %"%6& "" % "% &6 $#- 6" % "6 %%( �x " " % " 6 % " "6%/ %}k5}"$6$ " # ~C6�Ù&! C2$KLC 4n"$1(6$1("%6$"(¦8 " " % " 6 % " "6%/! ;¦8 " " % "% &6 %"%6"6 %/( ;¦8 " " % "% &6 % "6 % "% &" %/(S8 "" % "6 %%! ÿ�)8"%6 " % "%6 6 %%! S8 6 " % " 6 %# (*&'^C_w�(}"$1(6$1~( 6 " % " 6 % #�Ù(�xz^C_�Ù! !F@GH" "!kl$¦8槡,%槡"1槡6%槡7(;¥8%槡,%槡"&#1%槡6%槡7&#( S"%,%# 槡",16%7%#槡67( 4"%,$6%7(;¥8 槡",1槡67( S",167(R"%,$6%7$D( 7",&67$%D&,&,&%D&7&7$%7&,&%7%,&D&11( |",167�Ù(ep槡,%槡"1槡6%槡7�Ù! #!kl$%"&|"$6$1(1(%1&$(%1&#(%1&( s(%1&*1(�x(%1&$"! %#&*(�})$1~((%)&$"( *%"&1(%1&$"(|})%1~((%)&$1�Ù! })11~(&)$1(�x(%&)&$"( p(%)&)&$(%)&(%&)&(�x(%)&$ " (%&)& ( w111(%)&1"! a�(ÄJK9)"#(<�(%)&$1�Ù! DE;13 !<=!NO$%"&mBW"(6(79K�²U�Hq� 8$$,!)KW(",�W#,KW(#,�W",KW($,!) �W(�x#µ*mBW"(6(7Y��%,�W+~�!9�Rn *"(6(7Y!)KWg\]�:,�W!+ PQ$& %#&89$QR: Z e ! ` � æ W t!7 &"$"#&%611 E &#$ 7#&%,11(�"#%7#1%%6%,&(p"#%7#%#"7( ep�%%6%,&$#"7(S"71#%6%,&( E(�ST(|zEF�Ù! !F@GH" "!kl$QR"(6(7�Ó?"(S"1"(61"(71"( 7�"%6%71$( p"%6%7$#)#&#)% " # %$2# )&% &"# # %$%$( :õST(�xQR^�Ù( |"(6(7\]�%,^Ó?"! #!kl$QRZe(%)&$1�%,­Wt@( 7"@#%6@%7$1( '(%1&$7((%"&$"%6%7!nKW( *"%6�n�W("@#%6@nKW! }@n�W~(|@$##%#"$&( 7"@#%6@$%##"%##6$##%##"%6&�n�W( E"@#%6@nKWST' }@nKW~(|@$##%"%#"$&( 7"@#%6@$%##%"&#%##"%"%6&n%KWE%�WGB(�n �W(ÿE"@#%6@nKWST! a�w�Ze(%)&$1�­Wt! DE;1B !<=!N$%"&'""$"( *"#$(%